308952721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4057}}^1$

素因数の和:4141

約数の個数: 32

約数和(自身を含む): 411383808

約数和(自身を除く): 102431087

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 473, 989, 1771, 3311, 4057, 6923, 10879, 28399, 44627, 76153, 93311, 174451, 312389, 653177, 1026421, 1221157, 1918961, 4012373, 7184947, 13432727, 28086611, 44136103, 308952721]

約数ペア:

[(1, 308952721), (7, 44136103), (11, 28086611), (23, 13432727), (43, 7184947), (77, 4012373), (161, 1918961), (253, 1221157), (301, 1026421), (473, 653177), (989, 312389), (1771, 174451), (3311, 93311), (4057, 76153), (6923, 44627), (10879, 28399)]